12459641 has 4 divisors (see below), whose sum is σ = 12503952. Its totient is φ = 12415332.

The previous prime is 12459607. The next prime is 12459673. The reversal of 12459641 is 14695421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14695421 = 13 ⋅1130417.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12459641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12459598 and 12459607.

It is not an unprimeable number, because it can be changed into a prime (12459341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21731 + ... + 22296.

It is an arithmetic number, because the mean of its divisors is an integer number (3125988).

Almost surely, 2^12459641 is an apocalyptic number.

It is an amenable number.

12459641 is a deficient number, since it is larger than the sum of its proper divisors (44311).

12459641 is an equidigital number, since it uses as much as digits as its factorization.

12459641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44310.

The product of its digits is 8640, while the sum is 32.

The square root of 12459641 is about 3529.8216668835. The cubic root of 12459641 is about 231.8293992032.

The spelling of 12459641 in words is "twelve million, four hundred fifty-nine thousand, six hundred forty-one".